5 articles
Insect collecting
Insect collecting: capturing, killing, preserving, and storing insects and arthropods as specimens for entomology or hobby. Uses nets, kill jars with ethyl acetate, pinning, ethanol; amateur collectors declining.
Lapidary
Lapidary: the craft of cutting, shaping, polishing, and engraving gemstones, and the person practicing it (lapidarist). Covers tumbling, cabochon cutting, faceting, and carving; from Latin lapis, stone.
Petoskey stone
Petoskey stone: Michigan's official state stone (1965), a fossilized Devonian rugose coral, Hexagonaria percarinata, from the Traverse Group, scattered by glaciers across northern Michigan beaches; distinguished from the smaller-celled Charlevoix stone (Favosites).
Suseok (수석)
Suseok (수석, 壽石 or 水石), Korean viewing stones: small unaltered natural stones collected from Korean riverbeds and coasts and displayed on wooden bases, distinguished from Chinese gongshi and Japanese suiseki by an untouched aesthetic; about 80,000 practitioners and 45 museums in South Korea.
Wenwan walnuts (文玩核桃)
Wenwan walnuts (文玩核桃), also called play walnuts or hand-rolling walnuts, are Chinese collectible walnuts kept for their shells, handled as matched pairs rotated in one hand, and slowly darkened into a patina (baojiang) by years of handling; main production centers on Laishui, Hebei.